我们现在撇开美洲这个对偶制家庭的典型地区不谈吧.We now leave America, the classic soil of the pairing family.对偶体彼此相连于称为着丝粒的缩小的区域.The duplicates are attached to each other at a constricted region called the centromere.考察了加料顺序和相转移催化剂对偶联反应的影响.The ...
报道一种快速检测冰箱除臭器对乙硫醇驱除效率的气相色谱分析方法.A gas chromatographic method to quickly test the efficiency of refrigerator deodorizer in eliminating ethanethiol paper....
The release of carbon dioxide has acidifying effect.二氧化碳溶于水后,水就会酸化.He agrees that the acidifying effects of nitrogen fertilizer deserve more attention in China.他同样认为,氮肥的酸化效果在中国应该引起更多的关注.The acidifying foods are cheese, e...
Of course, not all alcoholics and drug abusers produce deviant offspring.当然，并不是所有的酗酒者和吸毒者都会生育出不正常的后代。The offspring contain a mixture of the genetic blueprint of each parent.子女身上遗传了父母双方的基因型板。the problems parents have with...
如果使用得当，避孕套是很有效的避孕手段。Condoms are an effective method of birth control if used with care.有些人指控税务稽查员使用了流氓手段。Some people accuse the tax inspectors of bully-boy tactics.那些熟悉桑德斯的人都称他为手段高明的政治家。Those familiar with Sanders call h...